Vegetable Weed Control Bulletin

2009 Weed Control Guide for Vegetable Crops
MSU Extension Bulletin E-433


Weed Problem	Chemical	Pounds Active Ingredient (AI)/Acre	Amount of Commercial Product/Acre	Remarks and Limitations Items in bold have changed since the printed bulletin.

Preemergence	oxyfluorfen (GOAL 2XL)	0.5	2 pt	Apply to established plantings or new plantings before plants emerge. Mix trash into soil before application.

	s-metolachlor (DUAL MAGNUM 7.6E)	0.95-1.9	1-1.3 pt	Apply after planting and before weeds emerge. Make one application per crop season.

	sulfentrazone (SPARTAN 75DF)	0.07-0.25	1.5-5.3 oz	Apply before planting or soon after planting. Use lowest rate on soils with <1% OM.

Preemergence grasses, nutsedge	dimethenamid-P (OUTLOOK 6E)	0.56-0.98	12-21 fl oz	Apply from 2 leaf stage to 8 leaf stage. Needs water for activation. Use lower rate on sandy soil. 40 day PHI.

Postemergence grasses	clethodim (SELECT MAX 0.97E)	0.068-0.12	9-16 fl oz	Apply to actively growing grasses. Maximum 64 fl oz/acre/year. Include 0.25% NIS/acre. 30-day PHI.

	sethoxydim (POAST 1.5E)	0.19-0.47	1-2.5 pt	Apply to actively growing grasses. Include 1 qt COC/acre. Maximum of 5 pt/acre/year. 60-day PHI.

Perennials	glyphosate (ROUNDUP 4L)	2-3	2-3 qt	Apply to emerged perennials before planting in the spring or after harvest in the fall.